49786520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{661}}^1$

素因数の和:948

約数の個数: 64

約数和(自身を含む): 128692800

約数和(自身を除く): 78906280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 269, 280, 538, 661, 1076, 1322, 1345, 1883, 2152, 2644, 2690, 3305, 3766, 4627, 5288, 5380, 6610, 7532, 9254, 9415, 10760, 13220, 15064, 18508, 18830, 23135, 26440, 37016, 37660, 46270, 75320, 92540, 177809, 185080, 355618, 711236, 889045, 1244663, 1422472, 1778090, 2489326, 3556180, 4978652, 6223315, 7112360, 9957304, 12446630, 24893260, 49786520]

約数ペア:

[(1, 49786520), (2, 24893260), (4, 12446630), (5, 9957304), (7, 7112360), (8, 6223315), (10, 4978652), (14, 3556180), (20, 2489326), (28, 1778090), (35, 1422472), (40, 1244663), (56, 889045), (70, 711236), (140, 355618), (269, 185080), (280, 177809), (538, 92540), (661, 75320), (1076, 46270), (1322, 37660), (1345, 37016), (1883, 26440), (2152, 23135), (2644, 18830), (2690, 18508), (3305, 15064), (3766, 13220), (4627, 10760), (5288, 9415), (5380, 9254), (6610, 7532)]